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Ski Japan - Hiroshima

Osa Snow Forecast

Weather Forecast for Osa at 700 m
Issued: 2 pm  18 Sep 2025 (local time)

The snow forecast for Osa is: Heavy rain (total 30.0mm), heaviest during Sat afternoon. Warm (max 23°C on Fri morning, min 15°C on Sat night). Wind will be generally light.

Osa Weather (Next 3 days): The snow forecast for Osa is: Heavy rain (total 30.0mm), heaviest during Sat afternoon. Warm (max 23°C on Fri morning, min 15°C on Sat night). Wind will be generally light.

Osa Weather (Days 4-6): Heavy rain (total 32.0mm), heaviest during Wed morning. Warm (max 20°C on Mon afternoon, min 13°C on Sun night). Wind will be generally light.


Osa Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 
18
15
light rain
Bottom Lift: 
19
10
light rain
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6 Day Forecast
Issued: 2 pm 18 Sep 2025 / Updates in ::
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Last 6 daysScroll left for last 6 daysNow
Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
thunderstorm
part cloud
part cloud
part cloud
light rain
thunderstorm
thunderstorm
rain showers
light rain
rain showers
part cloud
cloud
cloud
light rain
light rain
mod rain
mod rain
mod rain
light rain
light rain
risk thun- der
some clouds
some clouds
some clouds
light rain
risk thun- der
risk thun- der
rain shwrs
light rain
rain shwrs
some clouds
cloudy
cloudy
light rain
light rain
mod. rain
mod. rain
mod. rain
light rain
light rain
 km/h
10
N
5
NNE
5
ESE
5
ESE
20
SSW
25
SW
15
W
10
NW
15
NE
10
NNE
5
ENE
15
E
15
E
10
SE
5
SSE
5
SE
20
SSE
20
SSE
25
SSE
15
WSW
Snow map
 cm 
 mm 
3
1
4
15
5
2
1
2
3
10
6
10
5
3
max°C
20
17
23
22
19
21
20
18
19
18
14
19
20
15
16
16
16
17
18
18
min°C
19
16
20
20
18
21
18
15
17
16
13
16
16
15
16
15
15
16
18
18
chill°C 
19
16
20
20
18
21
18
15
16
16
13
15
15
14
16
15
14
15
17
18
Humid% 
98
86
68
78
90
91
99
97
89
82
74
62
60
77
91
94
92
96
94
92
Freezing level (m
4650
4450
4500
4700
4750
4550
4500
4750
4500
4400
4350
4450
4500
4400
4150
4500
4550
4650
4750
4750
topliftbotliftSea lvl1000m2000m3000m4000m5000m
18171919191918161516141616151616171818182017222119211917181714181815161616171818
Sunrise
5:56
5:56
5:56
5:58
5:58
5:58
Sunset
6:14
6:13
6:10
6:09
6:07
6:07
6:06

Snow Radar

Latest snow reports near Osa:

No recent snow reports

No recent snow reports

Osa Snow Conditions

Top snow depth:
Bottom snow depth:
Fresh snowfall depth:
Last snowfall:15 Apr 2025
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Other resorts in Japan - Hiroshima are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of September has on average:
0.0
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
0.0
Powder days
Fresh snow, limited sun, any wind.
0.0
Bluebird days
Average snow, mostly sunny, light wind.